Lorenz Bühmann created JENA-1382:
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Summary: NPE in ResultSetClosable
Key: JENA-1382
URL: https://issues.apache.org/jira/browse/JENA-1382
Project: Apache Jena
Issue Type: Bug
Components: ARQ
Affects Versions: Jena 3.4.0, Jena 3.3.0, Jena 3.2.0
Reporter: Lorenz Bühmann
Priority: Minor
Using {{ResultSetClosable}} leads to a NPE for {{QueryExecution}} objects that
have been created based on the query string only, i.e. without a parsed
{{Query}} object because of the [sanity
check|https://github.com/apache/jena/blob/master/jena-arq/src/main/java/org/apache/jena/query/ResultSetCloseable.java#L38]
regarding {{SELECT}} queries.
Example:
{code:java}
QueryEngineHttp qe = new QueryEngineHttp("http://dbpedia.org/sparql";, "select *
{ ?s ?p ?o } limit 1");
try(ResultSetCloseable rs = ResultSetCloseable.closableResultSet(qe)) {
rs.hasNext();
}
{code}
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